KR200496923Y1 - Torque wrench with integral type drive socket - Google Patents

Abstract

The present invention integrates a drive fastened with a bolt or nut and a socket connected to a wrench body to reduce the torque transmission length and enable 3-axis rotation, so that assembly and disassembly of bolts can be easily performed in a confined space. It relates to a torque wrench having a drive socket,
A torque wrench having an integrated drive socket according to an embodiment of the present invention includes a main body generating rotational torque; and a drive-socket having one end protruding to be attached to and detached from the torque transfer unit of the main body and a detachable groove for attaching a bolt or nut to the other end. In addition, the main body, the housing; A torque transfer unit connected to the housing and including a motor therein; A power supply unit connected to the housing and supplying power to the motor; It includes; a handle that can be grasped by the operator. The handle is rotatably connected to the power supply unit on a first shaft, the power supply unit is rotatably connected to a second shaft with respect to the housing, and the torque transfer unit is rotatably connected to a third shaft with respect to the housing.

Description

Torque wrench having an integral drive socket {TORQUE WRENCH WITH INTEGRAL TYPE DRIVE SOCKET}

The present invention integrates a drive fastened with a bolt or nut and a socket connected to the wrench body to reduce the torque transmission length and enable 3-axis rotation, so that assembly and disassembly of bolts can be easily performed in a confined space. It relates to a torque wrench having a drive socket.

In general, bolts are fastened to the fastening part inside the exhaust pipe of a gas turbine. A large torque is required to fasten or disassemble the bolt, but the operator can easily fasten or disassemble the bolt because the space inside the exhaust pipe is small. There are problems with not being able to do it.

In this regard, workers directly modify and use general hand tools in the field, but there is a limit in that it is difficult to perform stable bolting work because structural safety and strength are unstable.

Korean Patent Registration No. 10-1219946 discloses a hydraulic cylinder equipped with a guide housing of a certain length on one side, a rack gear that linearly moves forward and backward along the inside of the guide housing by driving the hydraulic cylinder, and a guide housing. Disclosed is a hydraulic wrench for bolts inside a gas turbine exhaust pipe, including a rotary gear formed at the front end and meshed with a rack gear, and a bolt socket detachable part configured on the rotary gear to enable attachment and detachment of the bolt socket for bolt coupling. there is.

Korean Patent Registration No. 10-1219946

The present invention was derived to solve the above problems, by integrating a drive fastened with a bolt or nut and a socket connected to the wrench body to reduce the torque transmission length and enable rotation in three axes, thereby assembling bolts in a narrow space. And it is an object of the present invention to provide a torque wrench having an integrated drive socket that facilitates disassembly work.

In addition, the present invention is to provide a torque wrench having an integrated drive socket that can be applied to high hydraulic devices by eliminating the risk of tool rebound and separation, induce safe work and shorten work time. The purpose.

A torque wrench having an integrated drive socket according to an embodiment of the present invention includes a main body generating rotational torque; and a drive-socket having one end protruding to be attached to and detached from the torque transfer unit of the main body and a detachable groove for attaching a bolt or nut to the other end. In addition, the main body, the housing; A torque transfer unit connected to the housing and including a motor therein; A power supply unit connected to the housing and supplying power to the motor; It includes; a handle that can be grasped by the operator. The handle is rotatably connected to the power supply unit on a first shaft, the power supply unit is rotatably connected to a second shaft with respect to the housing, and the torque transfer unit is rotatably connected to a third shaft with respect to the housing.

In the torque wrench having an integral drive socket according to an embodiment of the present invention, a socket extension including a detachable protrusion protruding at one end to be mounted in the detachable groove and an extension detachable groove formed at the other end to mount a bolt or nut. can include more.

In the torque wrench having an integrated drive socket according to an embodiment of the present invention, the torque transmission unit may have a hollow formed in an axial direction in which rotational torque is transmitted, and a plurality of protrusions may be formed along an inner surface of the hollow.

In the torque wrench having an integrated drive socket according to an embodiment of the present invention, the drive-socket is composed of a socket with one end protruding and a drive with a detachable groove formed at the other end, and a plurality of protrusions along the outer circumferential surface of the socket. A rack gear may be formed to engage with and be connected to the torque transmission unit.

In the torque wrench having an integrated drive socket according to an embodiment of the present invention, the torque transfer unit is formed of an electromagnet having a plurality of projections having a first pole, and the drive-socket has a first pole facing the first pole. It is formed of an electromagnet having two poles, and the drive-socket can be fixed to the torque transmission unit according to the magnetic field formed between the plurality of protrusions and the socket when rotational torque is generated.

In the torque wrench having an integrated drive socket according to an embodiment of the present invention, the drive-socket has the same size of the socket and a different size of the drive according to the size of the bolt or nut, so that the torque transmission part can be detached.

Other specific details of implementations according to various aspects of the present invention are included in the detailed description below.

According to the torque wrench having an integrated drive socket according to the present invention,

The torque transmission length of the drive fastened with the bolt or nut and the socket connected to the wrench body are reduced and rotatable in three axes, so assembling and disassembling the bolt can be easily performed in a confined space.

In addition, depending on space conditions, the overall length of the drive socket may be increased by using the socket extension, thereby improving work efficiency.

In addition, it can be applied to high hydraulic equipment by eliminating the risk of tool rebound and separation, induce safe work and shorten work time.

Effects of the present invention are not limited to those mentioned above, and other effects not mentioned will be clearly understood by those skilled in the art from the description below.

1 is a perspective view showing a torque wrench having an integrated drive socket according to the present invention.
Figure 2 is an exploded perspective view showing a torque wrench having an integrated drive socket according to the present invention.
3 is a rear view showing a torque wrench having an integrated drive socket according to the present invention.
Figure 4 is a replaceable drive for a torque wrench having an integrated drive socket according to the present invention - an exploded perspective view showing a socket.
5 is an exploded perspective view showing another embodiment of a torque wrench having an integrated drive socket according to the present invention.

Since the present invention can be subjected to various transformations and can have various embodiments, specific embodiments are exemplified and described in detail in the detailed description. However, this is not intended to limit the present invention to specific embodiments, and should be understood to include all transformations, equivalents, or substitutes included in the spirit and scope of the present invention.

Terms used in the present invention are only used to describe specific embodiments, and are not intended to limit the present invention. Singular expressions include plural expressions unless the context clearly dictates otherwise. In the present invention, terms such as 'include' or 'have' are intended to designate that there is a feature, number, step, operation, component, part, or combination thereof described in the specification, but one or more other features It should be understood that the presence or addition of numbers, steps, operations, components, parts, or combinations thereof is not precluded. Hereinafter, a torque wrench having an integrated drive socket according to embodiments of the present invention will be described with reference to the drawings.

1 is a perspective view showing a torque wrench having an integral drive socket according to the present invention, Figure 2 is an exploded perspective view showing a torque wrench having an integral drive socket according to the present invention, Figure 3 is a perspective view according to the present invention A rear view showing a torque wrench with integral drive socket.

1 to 3, the torque wrench 100 having an integrated drive socket according to the present invention includes a body 110 and a drive-socket 140.

The main body 110 includes a housing 112 accommodating various parts therein, a torque transmission unit 120 including a motor therein, a power supply unit 130 supplying power to the motor, and an operator holding Includes handle 114. The main body 110 may be formed in various shapes and may be made of a high-strength material to protect the torque transfer unit 120 and the power supply unit 130 provided therein at a work site.

A first rotating member B1 is formed on the interface between the handle 114 and the power supply unit 130, and the handle 114 can be rotatably connected to the power supply unit 130 in a first axis. The shape of the connection between the handle 114 and the power supply unit 130 is not particularly limited.

The operator can rotate the handle 114 according to the working space to perform the work in a comfortable posture for assembling or disassembling the bolt V1. Meanwhile, in the drawing, the drive-socket 140 is detachable with the bolt V1, but is not limited thereto, and various types of fastening members such as nuts and washers may be included.

The torque transfer unit 120 is disposed inside the main body 110 and receives power from the power supply unit 130 to transmit rotational torque.

The torque transfer unit 120 includes an electric motor or a hydraulic motor that generates torque by using electricity or hydraulic power, and an output shaft rotated by the motor in conjunction with the motor (a plurality of projections formed in the hollow to be described later) 122)).

The torque transmission unit 120 may further include a reducer made of a plurality of gears connected to a drive shaft of the electric motor or hydraulic motor according to a power state of the electric motor or hydraulic motor and meshing with each other.

The torque transfer unit 120 may have a hollow formed in an axial direction A in which rotational force is transmitted from the motor, and a plurality of protrusions 122 corresponding to an output shaft may be formed along an inner surface of the hollow. The plurality of protrusions 122 are formed at regular intervals, and the socket 142 of the drive-socket 140 may be inserted and fastened.

When the socket 142 of the drive-socket 140 is engaged with the plurality of protrusions 122, the torque transmitter 120 transmits rotational torque to rotate the drive-socket 140.

In the torque transfer unit 120, a plurality of protrusions 122 are formed of electromagnets having a first pole, and a socket 142 formed of an electromagnet having a second pole opposite to the first pole is inserted into a hollow, and the power supply unit ( When power is applied through 130, the drive-socket 140 may be fixed in the hollow according to the magnetic field formed between the plurality of protrusions 122 and the socket 142.

A third rotating member B3 is formed at the interface between the torque transmission unit 120 and the housing 112, and the torque transmission unit 120 is rotatably connected to the housing 112 in a third axis. . The third axis is an axis different from the first axis and may be an axis orthogonal to the first axis, but is not necessarily limited thereto.

The power supply unit 130 is a device that applies or blocks power supplied to the torque transfer unit 120, and applies power to the torque transfer unit 120 according to the operation of a switch (not shown) formed on the handle 114. . A switch (not shown) may be pressed by an operator's manipulation to regulate power.

A second rotating member B2 is formed at the interface between the power supply unit 130 and the housing 112, and the power supply unit 130 can be rotatably connected to the housing 112 in a second axis. The second axis may be an axis different from the first axis and the third axis, and may be an axis orthogonal to the first axis and the third axis, but is not necessarily limited thereto.

On the other hand, although the shape of the power supply unit 130 is shown in a cylindrical shape in the drawings, it is not intended to be limited thereto, and is formed in various shapes including a switch (not shown) to regulate power supplied to the torque transfer unit 120. Any of these can be adopted.

The drive-socket 140 is detachable from the torque transmission unit 120 according to the size of the bolt V1, and receives rotational force from the torque transmission unit 120 based on the power applied from the power supply unit 130. By rotating the bolt V1, the bolt V1 is directly assembled or disassembled.

The drive-socket 140 has a socket 142 with one end protruding and connected to the hollow of the torque transmission unit 120 and a detachable groove 144-1 integrated with the socket 142 and having a bolt V1 detachable at the other end. It consists of a drive 144 that is formed.

In the conventional torque wrench, as the socket and drive that perform the same function as the present invention are manufactured and formed separately, the main body, socket, and drive must be assembled. As a result, a lot of recoil occurs in the socket and drive when torque is applied. As a result, many accidents in which the socket or the drive is separated from the main body occur.

In order to solve this problem, the present invention is manufactured and formed by integrating the socket 142 and the drive 144, and directs the center of gravity of the torque wrench 100 having an integrated drive socket in the direction of the main body 110 compared to the conventional torque wrench. to provide a drive-socket 140 that is stably fixed to the main body 110 even when recoil occurs when rotational torque is applied.

The drive-socket 140 may be connected to the torque transmission unit 120 of the body 110 by forming a rack gear to mesh with the plurality of protrusions 122 along the outer circumferential surface of the socket 142 .

The drive-socket 140 is a torque transfer unit formed of an electromagnet having a first pole opposite to the second pole when the socket 142 is formed of an electromagnet having a second pole and inserted into the torque transmission unit 120 ( 120) in the hollow of the torque transmission unit 120 according to the magnetic field formed between the plurality of projections 122 and the socket 142 when power is applied through the power supply unit 130. can be fixed

Alternatively, the drive-socket 140 is formed so that the rack gear formed along the outer circumferential surface of the socket 142 has elasticity, and is inserted into the torque transmission unit 120 in an interference fit method, resulting in strong frictional force on the plurality of projections 122. As it is meshed with, it is possible to reduce the recoil transmitted when torque is applied.

In the drive-socket 140, the size of the drive 144 and the attachment/detachment groove 144-1 may be formed in a polygonal shape. Here, the detachable groove 144-1 is a space where the head or nut of the bolt V1 is detached, and is preferably formed in a hexagonal groove corresponding to the shape of the head or nut of the bolt V1, but is necessarily limited thereto. Various deformations are possible according to the cross-sectional shape of bolts, nuts, washers, etc.

The drive-socket 140 is manufactured in various sizes so that the size of the socket 142 is the same and only the size of the drive 144 is formed differently according to the size of the bolt V1 so that it can be attached to and detached from the torque transmission unit 120. It can be.

That is, referring to FIG. 4, the drive-socket 140 has a drive 144 corresponding to the size of the bolts V1 and V2 and a detachable groove 144-1 according to the size of the bolts V1 and V2 for work. ) It can be replaced with the first detachable part 140a or the second detachable part 140b and connected to the torque transmission part 120 . The first detachable portion 140a is illustrated as being used to handle a bolt V1 having a smaller size than the second detachable portion 140a.

5 is an exploded perspective view showing another embodiment of a torque wrench having an integrated drive socket according to the present invention.

Referring to FIG. 5 , the torque wrench having an integrated drive socket according to the present invention may further include a socket extension part 150 in the embodiment of FIGS. 1 to 4 .

The socket extension part 150 includes a detachable protrusion 151 protruding in an end direction at one end and an extension detachable groove 152 formed at the other end and attaching or detaching the bolt V1.

The detachable protrusion 151 is inserted into the detachable groove 144-1 of the drive-socket 140, and the bolt V1 can be detached from the extended detachable groove 152.

The socket extension 150 may be inserted between the drive-socket 140 and the bolt V1 or nut to increase the length of the drive-socket 140 as a whole. That is, according to space conditions, the length of the drive-socket 140 can be increased by using the socket extension, thereby improving work efficiency.

Although one embodiment of the present invention has been described above, those skilled in the art can add, change, delete, or add components within the scope not departing from the spirit of the present invention described in the claims. It will be possible to variously modify and change the present invention by the like, and this will also be said to be included within the scope of the rights of the present invention.

100: torque wrench
110: body
120: torque transmission unit
130: power supply
140: drive-socket
150: socket extension
B1 ~ B3: rotating member

Claims (6)

a main body generating rotational torque; and
A drive-socket having one end protruding to be attached to and detached from the torque transfer unit of the main body and a detachable groove for mounting a bolt or nut on the other end,
the body,
housing;
a torque transfer unit connected to the housing, including a motor therein, and transmitting rotational torque for rotating the drive-socket;
a power supply unit connected to the housing and supplying power to the motor;
Including; a handle that can be gripped by the operator,
A first rotating member is formed on a boundary surface between the handle and the power supply unit, and the handle is rotatably connected to the power supply unit on a first axis,
A second rotation member is formed on the interface between the power supply unit and the housing, and the power supply unit is rotatably connected to the housing on a second axis.
A third rotational member is formed on a boundary surface between the torque transmission unit and the housing, and the torque transmission unit is rotatably connected to the housing in a third axis,
In the torque transmitting part, a hollow is formed in an axial direction to which the rotational torque is transmitted, and a plurality of projections into which the socket of the drive-socket is inserted and fastened are formed along an inner surface of the hollow,
In the drive-socket, a socket having one end protruding and connected to the hollow of the torque transmission part and a drive having a detachable groove formed at the other end are integrally formed with the socket,
A rack gear is formed to engage with the plurality of protrusions along the outer circumferential surface of the socket and is connected to the torque transmission unit.
Torque wrench with integral drive socket.
The method of claim 1,
Further comprising a socket extension including a detachable protrusion protruding at one end to be mounted in the detachable groove and an extended detachable groove formed at the other end to mount a bolt or nut,
Torque wrench with integral drive socket.
delete delete The method according to claim 1, wherein the torque transfer unit,
The plurality of protrusions are formed of electromagnets having a first pole,
The drive-socket is formed of an electromagnet having a second pole opposite to the first pole,
The drive-socket is fixed to the torque transmission unit according to the magnetic field formed between the plurality of protrusions and the socket when the rotational torque is generated.
Torque wrench with integral drive socket.
The method according to claim 1, wherein the drive-socket,
The size of the socket is formed the same and only the size of the drive is formed differently depending on the size of the bolt or nut to be attached to and detached from the torque transmission unit,
Torque wrench with integral drive socket.

Images